Ruby 2.0.0-preview1 and Rails HEAD failing to `bundle install` · Issue #8136 · rails/rails ·

ruby '2.0.0'するとHeroku pushするときにPsychがどうのこうのは、Herokuが使ってるBundlerのバージョンが1.2.1だからなのかな。ここみると1.2.2なら問題なく動くっぽい。

jroes src$ ruby -v ruby 2.0.0dev (2012-11-01 trunk 37411) [x86_64-darwin12.2.0] jroes src$ bundle -v Bundler version 1.2.1 jroes src$ gem -v 1.8.24 jroes src$ ruby rails/railties/bin/rails new testapp --dev # -- snip -- run bundle install /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/2.0.0/psych.rb:205:in `parse': (<unknown>): mapping values are not allowed in this context at line 8 column 35 (Psych::SyntaxError) from /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/2.0.0/psych.rb:205:in `parse_stream' from /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/2.0.0/psych.rb:153:in `parse' from /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/2.0.0/psych.rb:129:in `load' from /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/2.0.0/rubygems/specification.rb:491:in `from_yaml' from /Users/jroes/.rbenv/versions/2.0.0-preview1/lib/ruby/gems/2.0.0/gems/bundler-...

Full article: https://github.com/rails/rails/issues/8136